The Zombie Parade Defense continues in the third installment with 1, 2, or 3 players. How to Play: How to Play:Player 1: Move: “W,A,S,D” Switch Gun: “Q” Go in/out Base: “E” Player 2: Move: “ARROW KEYS” Switch Gun: “.” Go in/out Base: “L” Player 3: Move: “Y,G,H,L” Switch Gun: “T” Go in/out Base: “U” P.S: Use “MOUSE” to activate Weapons and Power-ups.